var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");

var app = express();

var routerList = [
  { path: "/", value: require("./routes/index") },
  { path: "/users", value: require("./routes/users") },
  { path: "/file", value:  require("./routes/fileHandler/index") },
  { path: "/dic", value:  require("./routes/fileHandler/dictionary") },
  { path: "/login", value:  require("./routes/fileHandler/login/index") },
  { path: "/doc", value:  require("./routes/docHandler/index") },
];




// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

// 路由注册
for (let index = 0; index < routerList.length; index++) {
  const item = routerList[index];
  app.use(item.path,item.value)
}

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// 错误处理
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;
